add artifact skill api methods and types

- gameName field on ArtifactSkill type
- getSkill and updateSkill adapter methods
- skillById query and skillDetail key

src/lib/api/adapters/artifact.adapter.ts

@@ -124,6 +124,44 @@ export class ArtifactAdapter extends BaseAdapter {
 		return response.artifactSkills
 	}
 
+	/**
+	 * Gets a single artifact skill by ID
+	 */
+	async getSkill(id: string): Promise<ArtifactSkill> {
+		return this.request<ArtifactSkill>(`/artifact_skills/${id}`, {
+			method: 'GET',
+			cacheTime: 60 * 60 * 1000 // 1 hour
+		})
+	}
+
+	/**
+	 * Updates an artifact skill
+	 */
+	async updateSkill(
+		id: string,
+		data: Partial<{
+			name_en: string
+			name_jp: string
+			game_name_en: string
+			game_name_jp: string
+			skill_group: number
+			modifier: number
+			polarity: string
+			base_values: (number | null)[]
+			growth: number
+			suffix_en: string
+			suffix_jp: string
+		}>
+	): Promise<ArtifactSkill> {
+		const response = await this.request<ArtifactSkill>(`/artifact_skills/${id}`, {
+			method: 'PATCH',
+			body: data
+		})
+		this.clearCache('/artifact_skills')
+		this.clearCache(`/artifact_skills/${id}`)
+		return response
+	}
+
 	// ============================================
 	// Collection Artifacts
 	// ============================================

src/lib/api/queries/artifact.queries.ts

@@ -104,6 +104,18 @@ export const artifactQueries = {
 			gcTime: 1000 * 60 * 60 * 24 // 24 hours
 		}),
 
+	/**
+	 * Single artifact skill by ID
+	 */
+	skillById: (id: string) =>
+		queryOptions({
+			queryKey: ['artifacts', 'skills', 'detail', id] as const,
+			queryFn: () => artifactAdapter.getSkill(id),
+			enabled: !!id,
+			staleTime: 1000 * 60 * 60, // 1 hour
+			gcTime: 1000 * 60 * 60 * 24 // 24 hours
+		}),
+
 	/**
 	 * User's collection artifacts with infinite scroll
 	 *
@@ -199,6 +211,9 @@ export const artifactKeys = {
 	/** Skills for a specific slot */
 	skillsForSlot: (slot: number) => ['artifacts', 'skills', 'slot', slot] as const,
 
+	/** Single skill by ID */
+	skillDetail: (id: string) => ['artifacts', 'skills', 'detail', id] as const,
+
 	/** Collection artifacts base key */
 	collectionBase: ['collection', 'artifacts'] as const,
 

src/lib/types/api/artifact.ts

@@ -45,6 +45,8 @@ export interface Artifact {
 export interface ArtifactSkill {
 	id: string
 	name: LocalizedName
+	/** Game name used for import matching (may differ from display name) */
+	gameName?: LocalizedName
 	/** Which skill group this belongs to (determines valid slots) */
 	skillGroup: ArtifactSkillGroup
 	/** Numeric modifier identifier */